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Recognised as Colour

#4881FF

  • #4881FF
  • Blue
  • Dark
  • Nearest: Royal blue

#4881FF is a blue with RGB values 72, 129, 255 and HSL 221°, 100%, 64%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4881FF#4881FF
HEX#4881FF
RGBrgb(72, 129, 255)
RGB (0–1)0.2824, 0.5059, 1
RGB percentages28.2%, 50.6%, 100%
HSLhsl(221.3, 100%, 64.1%)
HSV / HSBhsv(221.3, 71.8%, 100%)
CMYK71.8%, 49.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,751,871
CSS custom property--colour: #4881FF;

Brightness & contrast

Relative luminance0.24298WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.86:1
Contrast with white3.58:1WCAG normal text: Fail
Contrast with black5.86:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#B77E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3590FFno red cones; affects about 1% of men; ΔE 13 from the original
Deuteranopia#007FFCno green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#009FB4no blue cones; rare, and affects men and women equally; ΔE 68.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.58:1WCAG large text: AA
Contrast with black, large text5.86:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.6Dodgerblue · ΔE 14.1Medium slateblue · ΔE 18.8Slate blue · ΔE 20Medium purple · ΔE 22.8Cornflower blue · ΔE 23.9
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.62, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFC648
Analogous#48DDFF, #6A48FF
Triadic#FF4881, #81FF48
Split complementary#FF6A48, #DDFF48
Tetradic#FF48DD, #FFC648, #48FF6A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E1EAFF
Lighter +20%#AEC7FF
Lighter +10%#7BA4FF
Darker −10%#155EFF
Darker −20%#0046E1
Darker −30%#0036AE
Darker −40%#00267B
More saturated +25%#4881FF
Less saturated −25%#5F8AE8

Channel breakdown

R72
G129
B255
Red72 (28.2%)
Green129 (50.6%)
Blue255 (100%)
Hue221.31°
Saturation (HSL)100%
Lightness64.12%
Dominant channelBlue
Hex per channelR 48 · G 81 · B FF

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Every value on this page was computed from “4881ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.